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Long non-coding mRNA

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https://www.readbyqxmd.com/read/28228215/hnrnpk-regulated-ptov1-as1-modulates-heme-oxygenase-1-expression-via-mir-1207-5p
#1
Chang Hoon Shin, Seongho Ryu, Hyeon Ho Kim
Antisense transcripts were initially identified as transcriptional noise, but have since been reported to play an important role in the quality control of miRNA functions. In this report, we tested the hypothesis that hnRNPK regulates miRNA function via competitive endogenous RNAs, such as pseudogenes, long non-coding RNAs, and antisense transcripts. Based on analyses of RNA sequencing data, the knockdown of hnRNPK decreased antisense PTOV1-AS1 transcript, which harbors five binding sites for miR-1207-5p. We identified heme oxygenase-1 (HO-1) mRNA as a novel target of miR-1207-5p by western blotting and Ago2 immunoprecipitation...
February 23, 2017: BMB Reports
https://www.readbyqxmd.com/read/28219204/-correlation-between-expression-of-long-non-coding-rna-zxf1-and-prognosis-of-lung-adenocarcinoma-and-its-potential-molecular-mechanism
#2
G F Pan, X F Zhou, J P Zhao
Objective: To investigate the correlation between expression of long non-coding RNA (lncRNA) ZXF1 and clinicopathological characteristics, as well as prognosis of lung adenocarcinoma; and to explore its potential molecular mechanism. Methods: A total of 83 lung adenocarcinoma tissue samples and 83 paracancerous lung tissue samples from lung adenocarcinoma patients were collected. The mRNA expression of ZXF1 in the tumors and the corresponding adjacent non-tumor tissues were determined by real-time fluorescence quantitative PCR...
February 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28215706/uv-irradiation-induces-a-non-coding-rna-that-functionally-opposes-the-protein-encoded-by-the-same-gene
#3
Laura Williamson, Marco Saponaro, Stefan Boeing, Philip East, Richard Mitter, Theodoros Kantidakis, Gavin P Kelly, Anna Lobley, Jane Walker, Bradley Spencer-Dene, Michael Howell, Aengus Stewart, Jesper Q Svejstrup
The transcription-related DNA damage response was analyzed on a genome-wide scale with great spatial and temporal resolution. Upon UV irradiation, a slowdown of transcript elongation and restriction of gene activity to the promoter-proximal ∼25 kb is observed. This is associated with a shift from expression of long mRNAs to shorter isoforms, incorporating alternative last exons (ALEs) that are more proximal to the transcription start site. Notably, this includes a shift from a protein-coding ASCC3 mRNA to a shorter ALE isoform of which the RNA, rather than an encoded protein, is critical for the eventual recovery of transcription...
February 16, 2017: Cell
https://www.readbyqxmd.com/read/28209301/iswi-atp-dependent-remodeling-of-nucleoplasmic-%C3%AF-speckles-in-the-brain-of-drosophila-melanogaster
#4
Luca Lo Piccolo, Andrea Attardi, Rosa Bonaccorso, Lorenzo Li Greci, Giorgio Giurato, Antonia Maria Rita Ingrassia, Maria Cristina Onorati
Heterogeneous nuclear ribonucleoproteins (hnRNPs) belong to the RNA-binding proteins family. They are involved in processing heterogeneous nuclear RNAs (hnRNAs) into mature mRNAs. These proteins participate in every step of mRNA cycle, such as mRNA export, localization, translation, stability and alternative splicing. At least 14 major hnRNPs, which have structural and functional homologues in mammals, are expressed in Drosophila melanogaster. Until now, six of these hnRNPs are known to be nucleus-localized and associated with the long non-coding RNA (lncRNA) heat shock responsive ω (hsrω) in the omega speckle compartments (ω-speckles)...
December 22, 2016: Journal of Genetics and Genomics, Yi Chuan Xue Bao
https://www.readbyqxmd.com/read/28207735/long-non-coding-rna-hotair-inhibits-mir-17-5p-to-regulate-osteogenic-differentiation-and-proliferation-in-non-traumatic-osteonecrosis-of-femoral-head
#5
Biaofang Wei, Wei Wei, Baoxiang Zhao, Xiaxia Guo, Song Liu
BACKGROUND AND AIM: The biological functions of non-coding RNAs (ncRNAs) have been widely identified in many human diseases. In the present study, the relationship between long non-coding RNA HOTAIR and microRNA-17-5p (miR-17-5p) and their roles in osteogenic differentiation and proliferation in non-traumatic osteonecrosis of femoral head (ONFH) were investigated. METHODS: The expression levels of HOTAIR and miR-17-5p in the mesenchymal stem cells (MSCs) derived from patients with non-traumatic ONFH and osteoarthritis (OA) were examined by real-time PCR...
2017: PloS One
https://www.readbyqxmd.com/read/28202123/-expression-of-long-non-coding-rna-nanci-in-lung-tissues-of-neonatal-mice-with-hyperoxia-induced-lung-injury-and-its-regulatory-effect-on-nkx2-1
#6
Yuan Zhang, Huai-Ping Cheng, Tian-Ping Bao, Xiu-Gui Wang, Zhao-Fang Tian
OBJECTIVE: To investigate the expression of long non-coding RNA NANCI in lung tissues of neonatal mice with hyperoxia-induced lung injury and its regulatory effect on NKX2.1. METHODS: A total of 48 neonatal C57BL/6J mice were randomly divided into an air group and a hyperoxia group, with 24 mice in each group. Each group was further divided into 7-day, 14-day, and 21-day subgroups, with 8 mice in each subgroup. The mice in the air group were fed in the indoor environment (FiO(2)=21%) and those in the hyperoxia group were fed in a high-oxygen box (oxygen concentration: >95%)...
February 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28196303/the-long-noncoding-rna-schlah-suppresses-metastasis-of-hepatocellular-carcinoma-through-interacting-with-fus
#7
Zhouhong Ge, Zhuoan Cheng, Xinrong Yang, Xisong Huo, Ning Wang, Hui Wang, Cun Wang, Dishui Gu, Fangyu Zhao, Ming Yao, Jia Fan, Wenxin Qin
Emerging evidence has indicated that deregulation of long non-coding RNAs (lncRNAs) can contribute to the progression and metastasis of human cancer, including hepatocellular carcinoma (HCC). However, the roles of most lncRNAs in HCC remain largely unknown. Here we found a long noncoding RNA termed SchLAH (seven chromosome locus associated with HCC; also called BC035072) was generally downregulated in HCC. Low expression of SchLAH was significantly correlated with shorter overall survival of HCC patients. In vitro and in vivo assays indicated that overexpression of SchLAH inhibited the migration and lung metastasis of HCC cells...
February 14, 2017: Cancer Science
https://www.readbyqxmd.com/read/28193161/systematic-comparison-of-lncrnas-with-protein-coding-mrnas-in-population-expression-and-their-response-to-environmental-change
#8
Qin Xu, Zhihong Song, Caiyun Zhu, Chengcheng Tao, Lifang Kang, Wei Liu, Fei He, Juan Yan, Tao Sang
BACKGROUND: Long non-coding RNA (lncRNA) is a class of non-coding RNA with important regulatory roles in biological process of organisms. The systematic comparison of lncRNAs with protein coding mRNAs in population expression and their response to environmental change are still poorly understood. Here we identified 17,610 lncRNAs and calculated their expression levels based on RNA-seq of 80 individuals of Miscanthus lutarioriparius from two environments, the nearly native habitats and transplanted field, respectively...
February 13, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28187158/role-of-the-long-non-coding-rna-pvt1-in-the-dysregulation-of-the-cerna-cerna-network-in-human-breast-cancer
#9
Federica Conte, Giulia Fiscon, Matteo Chiara, Teresa Colombo, Lorenzo Farina, Paola Paci
Recent findings have identified competing endogenous RNAs (ceRNAs) as the drivers in many disease conditions, including cancers. The ceRNAs indirectly regulate each other by reducing the amount of microRNAs (miRNAs) available to target messenger RNAs (mRNAs). The ceRNA interactions mediated by miRNAs are modulated by a titration mechanism, i.e. large changes in the ceRNA expression levels either overcome, or relieve, the miRNA repression on competing RNAs; similarly, a very large miRNA overexpression may abolish competition...
2017: PloS One
https://www.readbyqxmd.com/read/28185365/circrnas-biogenesis-properties-roles-and-their-relationships-with-liver-diseases-running-title-circular-rnas-and-liver-diseases
#10
REVIEW
Ting Yao, Qingqing Chen, Liyun Fu, Junming Guo
Circular RNAs (circRNAs) are a class of new found RNA molecules that have a special covalent loop structure without 5' cap and 3' tail. Researchers have found that circRNAs may be generated by intron-pairing-driven or lariat-driven circularization. They are cleared up via extracellular vesicles. They have some advantages such as stable, conservation, tissue specificity and so on. By severing as sponge of microRNAs, interacting with long non-coding RNAs, mRNA, or proteins, circRNAs regulate gene expression at transcriptional and post-transcriptional levels and contribute carcinogenesis...
February 10, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28177879/comprehensive-analysis-of-differentially-expressed-profiles-of-lncrnas-and-construction-of-mir-133b-mediated-cerna-network-in-colorectal-cancer
#11
Hao Wu, Runliu Wu, Miao Chen, Daojiang Li, Jing Dai, Yi Zhang, Kai Gao, Jun Yu, Gui Hu, Yihang Guo, Changwei Lin, Xiaorong Li
BACKGROUND: Growing evidence suggests that long non-coding RNAs (lncRNAs) play a key role in tumorigenesis. However, the mechanism remains largely unknown. RESULTS: Thousands of significantly dysregulated lncRNAs and mRNAs were identified by microarray. Furthermore, a miR-133b-meditated lncRNA-mRNA ceRNA network was revealed, a subset of which was validated in 14 paired CRC patient tumor/non-tumor samples. Gene set enrichment analysis (GSEA) results demonstrated that lncRNAs ENST00000520055 and ENST00000535511 shared KEGG pathways with miR-133b target genes...
February 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28166241/evolutionary-analysis-reveals-regulatory-and-functional-landscape-of-coding-and-non-coding-rna-editing
#12
Rui Zhang, Patricia Deng, Dionna Jacobson, Jin Billy Li
Adenosine-to-inosine RNA editing diversifies the transcriptome and promotes functional diversity, particularly in the brain. A plethora of editing sites has been recently identified; however, how they are selected and regulated and which are functionally important are largely unknown. Here we show the cis-regulation and stepwise selection of RNA editing during Drosophila evolution and pinpoint a large number of functional editing sites. We found that the establishment of editing and variation in editing levels across Drosophila species are largely explained and predicted by cis-regulatory elements...
February 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28158971/single-cell-mrna-isoform-diversity-in-the-mouse-brain
#13
Kasper Karlsson, Sten Linnarsson
BACKGROUND: Alternative mRNA isoform usage is an important source of protein diversity in mammalian cells. This phenomenon has been extensively studied in bulk tissues, however, it remains unclear how this diversity is reflected in single cells. RESULTS: Here we use long-read sequencing technology combined with unique molecular identifiers (UMIs) to reveal patterns of alternative full-length isoform expression in single cells from the mouse brain. We found a surprising amount of isoform diversity, even after applying a conservative definition of what constitutes an isoform...
February 3, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28152521/lncsubpathway-a-novel-approach-for-identifying-dysfunctional-subpathways-associated-with-risk-lncrnas-by-integrating-lncrna-and-mrna-expression-profiles-and-pathway-topologies
#14
Yanjun Xu, Feng Li, Tan Wu, Yingqi Xu, Haixiu Yang, Qun Dong, Meiyu Zheng, Desi Shang, Chunlong Zhang, Yunpeng Zhang, Xia Li
Long non-coding RNAs (lncRNAs) play important roles in various biological processes, including the development of many diseases. Pathway analysis is a valuable aid for understanding the cellular functions of these transcripts. We have developed and characterized LncSubpathway, a novel method that integrates lncRNA and protein coding gene (PCG) expression with interactome data to identify disease risk subpathways that functionally associated with risk lncRNAs. LncSubpathway identifies the most relevance regions which are related with risk lncRNA set and implicated with study conditions through simultaneously considering the dysregulation extent of lncRNAs, PCGs and their correlations...
February 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28148795/hepatitis-b-virus-encoded-mirna-controls-viral-replication
#15
Xi Yang, Hongfeng Li, Huahui Sun, Hongxia Fan, Yaqi Hu, Min Liu, Xin Li, Hua Tang
: microRNAs (miRNAs) are a class of small single-stranded non-coding functional RNAs. Hepatitis B virus (HBV) is an enveloped DNA virus with virions and subviral forms of particles that lack a core. It was not known whether HBV encodes miRNAs. Here, we identified an HBV-encoded miRNA (called HBV-miR-3) by deep sequencing and northern blot. HBV-miR-3 is located at nts 373-393 of the HBV genome and was generated from 3.5Kb, 2,4Kb and 2.1Kb HBV in classic miRNA biogenesis (Drosha-Dicer dependent) manner...
February 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28145813/alteration-in-long-non-coding-rna-expression-after-traumatic-brain-injury-in-rats
#16
Chuan-Fang Wang, Cheng-Cheng Zhao, Wei-Ji Weng, Jin Lei, Yong Lin, Qing Mao, Guo-Yi Gao, Jun-Feng Feng, Ji-Yao Jiang
Traumatic brain injury (TBI) causes a primary insult and initiates a secondary injury cascade. The mechanisms underlying the secondary injury are multifactorial and may include the aberrant expression of long non-coding RNA (lncRNA) post-TBI. Here, lncRNA microarray analysis was performed to profile the altered lncRNAs in the rat hippocampus after TBI. A total of 271 lncRNA probe sets and 1046 mRNA probe sets were differentially expressed after TBI. Gene ontology analysis showed that the main components of the most significantly changed categories were inflammation, DNA transcription, apoptosis and necroptosis...
February 1, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28143570/host-genetic-variation-in-mucosal-immunity-pathways-influences-the-upper-airway-microbiome
#17
Catherine Igartua, Emily R Davenport, Yoav Gilad, Dan L Nicolae, Jayant Pinto, Carole Ober
BACKGROUND: The degree to which host genetic variation can modulate microbial communities in humans remains an open question. Here, we performed a genetic mapping study of the microbiome in two accessible upper airway sites, the nasopharynx and the nasal vestibule, during two seasons in 144 adult members of a founder population of European decent. RESULTS: We estimated the relative abundances (RAs) of genus level bacteria from 16S rRNA gene sequences and examined associations with 148,653 genetic variants (linkage disequilibrium [LD] r (2) < 0...
February 1, 2017: Microbiome
https://www.readbyqxmd.com/read/28131827/long-noncoding-rna-bdnf-as-is-a-potential-biomarker-and-regulates-cancer-development-in-human-retinoblastoma
#18
Weiwei Shang, Yanyan Yang, Jingyi Zhang, Qizheng Wu
BACKGROUND: Long non-coding RNAs (lncRNA) have been shown to play important roles in human cancer. We examined expression, prognostic potential and functional roles of lncRNA, brain-derived neurotrophic factor antisense (BDNF-AS) in human retinoblastoma (RB). METHODS: BDNF-AS expression in RB tumors was characterized according to the clinicopathological parameters of patients. BDNF-AS mRNA level was compared between RB tumors and normal retinas, as well as RB cell lines and normal retinal epithelial cells...
January 25, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28125614/micrornas-mir-23a-3p-and-mir-151-3p-are-regulated-in-dentate-gyrus-neuropil-following-induction-of-long-term-potentiation-in-vivo
#19
Brigid Ryan, Barbara J Logan, Wickliffe C Abraham, Joanna M Williams
Translation of synaptic mRNA contributes to alterations in the proteome necessary to consolidate long-term potentiation (LTP), a model of memory processes. Yet, how this process is controlled is not fully resolved. MicroRNAs are non-coding RNAs that negatively regulate gene expression by suppressing translation or promoting mRNA degradation. As specific microRNAs are synaptically located, we hypothesized that they are ideally suited to couple synaptic activation, translational regulation, and LTP persistence...
2017: PloS One
https://www.readbyqxmd.com/read/28125557/o-009-long-ncrna-landscape-in-the-ileum-of-treatment-na%C3%A3-ve-early-onset-crohn-disease
#20
Yael Haberman, Marina Ben-Shoshan, Ayelet Di-Segni, Phillip Dexheimer, Tzipi Klein, Batya Weiss, Thomas Walters, Robert Baldassano, Joshua Noe, James Markowitz, Mel Heyman, Joel Rosh, Anne Griffiths, Wallace Crandall, Bruce Aronow, Yair Anikster, Jeffrey Hyams, Subra Kugathasan, Lee Denson
BACKGROUND: Long non-coding RNAs (lncRNA) regulate gene transcription and diverse cellular functions. We have recently reported a core inflammatory and metabolic ileal gene signature in treatment naïve pediatric Crohn Disease (CD), but the potential role of lncRNA was not known. We hypothesized that differences in ileal lncRNA would be associated with differences in protein-coding gene expression, suggesting a role for lncRNA in regulating those gene signatures. METHODS: Poly-A selected RNA-seq and Ensembl annotation were used to define differentially expressed ileal genes with false discovery rate correction of 0...
February 2017: Inflammatory Bowel Diseases
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